Grilled Flank Steak with Red Onions

1-2 lb. flank steak, season with salt, black pepper
¼ c. balsamic vinegar
¼ c. olive oil
¼ c. lemon juice
¼ c. Dijon
¼ c. brown sugar
¼ c. garlic puree
1 spring fresh rosemary
¼ c. fresh parsley, chopped
¼ c. fresh basil, chopped
2 medium red onions, sliced

1. Place 1 sliced red onion in bottom of rimmed baking glass dish.
2. Place seasoned flank steak on top.
3. Mix the vinegar, olive oil, lemon juice, Dijon, brown sugar, garlic puree, rosemary and basil together.
4. Pour over steak and flip steak to coat the other side.
5. Place remaining red onion on top.
6. Cover with plastic wrap and marinade in ref. overnight or 4-6 hours.
7. Remove from ref and let sit at room temp for 1 hour.
8. Preheat grill to HIGH and oil the grates.
9. Grill steak, turning once, 7-10 minutes for medium rare, depending on thickness.
10. Transfer to cutting board.
11. Cover loosely with foil and let stand 10 minutes.
12. Slice steak against the grain and serve.
*****You can do extra red onions and marinade separately from meat and grill them as a side dish or pan saute them.